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Why did Carl Sagan form The Planetary Society?

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Carl Sagan said, "I believe our future depends on how well we know this Cosmos in which we float like a mote of dust in the morning sky." In 1980 he co-founded The Planetary Society. Today, Bill Nye is our CEO. Join us in our effort to change the world.

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LightSail 2

LightSail 2 launched aboard the SpaceX Falcon Heavy. Be part of this epic point in space exploration history!

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